Histogram - perf_hooks - Node documentation

Histogram

interface Histogram

readonly

#count: number

The number of samples recorded by the histogram.

readonly

#countBigInt: bigint

The number of samples recorded by the histogram. v17.4.0, v16.14.0

readonly

#exceeds: number

The number of times the event loop delay exceeded the maximum 1 hour event loop delay threshold.

readonly

#exceedsBigInt: bigint

The number of times the event loop delay exceeded the maximum 1 hour event loop delay threshold.

readonly

#max: number

The maximum recorded event loop delay.

readonly

#maxBigInt: number

The maximum recorded event loop delay. v17.4.0, v16.14.0

readonly

#mean: number

The mean of the recorded event loop delays.

readonly

#min: number

The minimum recorded event loop delay.

readonly

#minBigInt: bigint

The minimum recorded event loop delay. v17.4.0, v16.14.0

readonly

#percentiles: Map<number, number>

Returns a Map object detailing the accumulated percentile distribution.

readonly

#percentilesBigInt: Map<bigint, bigint>

Returns a Map object detailing the accumulated percentile distribution.

readonly

#stddev: number

The standard deviation of the recorded event loop delays.

#percentile(percentile: number): number

Returns the value at the given percentile.

#percentileBigInt(percentile: number): bigint

Returns the value at the given percentile.

#reset(): void

Resets the collected histogram data.